package com.yaolaizaixian.merchant.utils;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import android.util.Log;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.reflect.Field;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * Created by ylzx on 2017/4/5.
 */
public class CrashHandler implements Thread.UncaughtExceptionHandler {

    public static final String TAG = "CrashHandler";

    //系统默认的UncaughtException处理类
    private Thread.UncaughtExceptionHandler mDefaultHandler;
    //CrashHandler实例
    private static CrashHandler instance;
    //程序的Context对象
    private Context mContext;
    //用来存储设备信息和异常信息
    private Map<String, String> infos = new HashMap<String, String>();

    //用于格式化日期,作为日志文件名的一部分
    private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");

    /**
     * 保证只有一个CrashHandler实例
     */
    private CrashHandler() {
    }

    /**
     * 获取CrashHandler实例 ,单例模式
     */
    public static CrashHandler getInstance() {
        if (instance == null)
            instance = new CrashHandler();
        return instance;
    }

    /**
     * 初始化
     */
    public void init(Context context) {
        mContext = context;
        //获取系统默认的UncaughtException处理器
        mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
        //设置该CrashHandler为程序的默认处理器
        Thread.setDefaultUncaughtExceptionHandler(this);
    }

    /**
     * 当UncaughtException发生时会转入该函数来处理
     */
    @Override
    public void uncaughtException(Thread thread, Throwable ex) {
        if (!handleException(ex) && mDefaultHandler != null) {
            //如果用户没有处理则让系统默认的异常处理器来处理
            mDefaultHandler.uncaughtException(thread, ex);
        } else {
            try {
                Thread.sleep(2000);
            } catch (InterruptedException e) {
//                Log.e(TAG, "error : ", e);
            }
            //退出程序
            android.os.Process.killProcess(android.os.Process.myPid());
            System.exit(1);
        }
    }

    /**
     * 自定义错误处理,收集错误信息 发送错误报告等操作均在此完成.
     *
     * @param ex
     * @return true:如果处理了该异常信息;否则返回false.
     */
    private boolean handleException(Throwable ex) {
        if (ex == null) {
            return false;
        }
        //收集设备参数信息 和 异常信息 并上传
        collectDeviceInfo(mContext, ex);

        return true;
    }

    /**
     * 收集设备参数信息
     *
     * @param /格式化统计信息 messageDic[@"channel"] = @"AppStore";//渠道
     *                 messageDic[@"date"] = nowDate;//当前时间
     *                 messageDic[@"type"] = type;//统计类型  1-->crash  2-->button点击  3-->广告图
     *                 messageDic[@"title"]  = title;//统计标题
     *                 messageDic[@"body"] = body;//消息体
     *                 messageDic[@"appVersion"]      = CurrentShortAppVersion;//App版本号
     *                 messageDic[@"systemVersion"]  = [SKYDeviceTool sky_getSystemVersion];//系统版本号
     *                 messageDic[@"deviceType"]      = [SKYDeviceTool sky_getDeviceType];//设备型号
     *                 messageDic[@"mobileOperator"] = @"apple";//手机商
     */
    public void collectDeviceInfo(Context ctx, Throwable ex) {

        String channel = "";
        String date = "";
        String type = "";
        String title = "";
        String body = "";
        String appVersion = "";
        String systemVersion = "";
        String deviceType = "";
        String mobileOperator = "";
          //时间
        date = formatter.format(new Date());

        //设备信息
        try {
            PackageManager pm = ctx.getPackageManager();
            PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(), PackageManager.GET_ACTIVITIES);
            if (pi != null) {
                String versionName = pi.versionName == null ? "null" : pi.versionName;
                String versionCode = pi.versionCode + "";
                //版本号
                appVersion=versionCode;
            }
        } catch (PackageManager.NameNotFoundException e) {
            Log.e(TAG, "an error occured when collect package info", e);
        }
        Field[] fields = Build.class.getDeclaredFields();
        for (Field field : fields) {
            try {
                field.setAccessible(true);

                if ("BRAND".equals(field.getName())){
                    //手机厂商
                    mobileOperator=field.get(null).toString();
                }else if ("FINGERPRINT".equals(field.getName())){
                    //系统版本号
                    systemVersion=field.get(null).toString();
                }else if ("MODEL".equals(field.getName())){
                   //设备型号
                    deviceType=field.get(null).toString();
                }

            } catch (Exception e) {
                Log.e(TAG, "an error occured when collect crash info", e);
            }
        }
        //异常信息
        Writer writer = new StringWriter();
        PrintWriter printWriter = new PrintWriter(writer);
        ex.printStackTrace(printWriter);
        Throwable cause = ex.getCause();
        while (cause != null) {
            cause.printStackTrace(printWriter);
            cause = cause.getCause();
        }
        printWriter.close();
//        消息体 异常信息
         body = writer.toString();


        Log.e(TAG, "date-------" + date);
        Log.e(TAG, "appVersion-------" + appVersion);
        Log.e(TAG, "mobileOperator-------" + mobileOperator);
        Log.e(TAG, "systemVersion-------" + systemVersion);
        Log.e(TAG, "deviceType-------" + deviceType);
        Log.e(TAG, "body-------" + body);

    }

}
